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FreeBSD: zfs commands backward compatibility
Update the zfs commands such that they're backwards compatible with the version of ZFS is the base FreeBSD. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Ryan Moeller <ryan@ixsystems.com> Signed-off-by: Matt Macy <mmacy@FreeBSD.org> Closes #10542
This commit is contained in:
Matthew Macy
@@ -141,6 +141,7 @@ SRCS+= abd_os.c \
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zfs_acl.c \
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zfs_ctldir.c \
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zfs_dir.c \
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zfs_ioctl_compat.c \
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zfs_ioctl_os.c \
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zfs_log.c \
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zfs_replay.c \
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@@ -99,7 +99,7 @@ SYSCTL_DECL(_vfs_zfs);
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SYSCTL_DECL(_vfs_zfs_vdev);
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static int zfs_version_ioctl = ZFS_IOCVER_ZOF;
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static int zfs_version_ioctl = ZFS_IOCVER_OZFS;
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SYSCTL_DECL(_vfs_zfs_version);
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SYSCTL_INT(_vfs_zfs_version, OID_AUTO, ioctl, CTLFLAG_RD, &zfs_version_ioctl,
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0, "ZFS_IOCTL_VERSION");
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@@ -121,37 +121,13 @@ extern zfsdev_state_t *zfsdev_state_list;
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#define ZFS_MIN_KSTACK_PAGES 4
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static void
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zfs_cmd_bsd12_to_zof(zfs_cmd_legacy_t *src, zfs_cmd_t *dst)
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{
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memcpy(dst, src, offsetof(zfs_cmd_t, zc_objset_stats));
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*&dst->zc_objset_stats = *&src->zc_objset_stats;
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memcpy(&dst->zc_begin_record, &src->zc_begin_record,
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offsetof(zfs_cmd_t, zc_sendobj) -
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offsetof(zfs_cmd_t, zc_begin_record));
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memcpy(&dst->zc_sendobj, &src->zc_sendobj,
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sizeof (zfs_cmd_t) - 8 - offsetof(zfs_cmd_t, zc_sendobj));
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dst->zc_zoneid = src->zc_jailid;
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}
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static void
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zfs_cmd_zof_to_bsd12(zfs_cmd_t *src, zfs_cmd_legacy_t *dst)
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{
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memcpy(dst, src, offsetof(zfs_cmd_t, zc_objset_stats));
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*&dst->zc_objset_stats = *&src->zc_objset_stats;
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memcpy(&dst->zc_begin_record, &src->zc_begin_record,
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offsetof(zfs_cmd_t, zc_sendobj) -
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offsetof(zfs_cmd_t, zc_begin_record));
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memcpy(&dst->zc_sendobj, &src->zc_sendobj,
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sizeof (zfs_cmd_t) - 8 - offsetof(zfs_cmd_t, zc_sendobj));
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dst->zc_jailid = src->zc_zoneid;
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}
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static int
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zfsdev_ioctl(struct cdev *dev, ulong_t zcmd, caddr_t arg, int flag,
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struct thread *td)
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{
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uint_t len, vecnum;
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uint_t len;
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int vecnum;
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zfs_iocparm_t *zp;
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zfs_cmd_t *zc;
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zfs_cmd_legacy_t *zcl;
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@@ -175,25 +151,25 @@ zfsdev_ioctl(struct cdev *dev, ulong_t zcmd, caddr_t arg, int flag,
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/*
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* Remap ioctl code for legacy user binaries
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*/
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if (zp->zfs_ioctl_version == ZFS_IOCVER_FREEBSD) {
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if (vecnum >= sizeof (zfs_ioctl_bsd12_to_zof)/sizeof (long)) {
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if (zp->zfs_ioctl_version == ZFS_IOCVER_LEGACY) {
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vecnum = zfs_ioctl_legacy_to_ozfs(vecnum);
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if (vecnum < 0) {
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kmem_free(zc, sizeof (zfs_cmd_t));
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return (ENOTSUP);
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}
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zcl = kmem_zalloc(sizeof (zfs_cmd_legacy_t), KM_SLEEP);
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vecnum = zfs_ioctl_bsd12_to_zof[vecnum];
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if (copyin(uaddr, zcl, sizeof (zfs_cmd_legacy_t))) {
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error = SET_ERROR(EFAULT);
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goto out;
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}
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zfs_cmd_bsd12_to_zof(zcl, zc);
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zfs_cmd_legacy_to_ozfs(zcl, zc);
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} else if (copyin(uaddr, zc, sizeof (zfs_cmd_t))) {
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error = SET_ERROR(EFAULT);
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goto out;
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}
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error = zfsdev_ioctl_common(vecnum, zc, 0);
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if (zcl) {
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zfs_cmd_zof_to_bsd12(zc, zcl);
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zfs_cmd_ozfs_to_legacy(zc, zcl);
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rc = copyout(zcl, uaddr, sizeof (*zcl));
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} else {
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rc = copyout(zc, uaddr, sizeof (*zc));
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@@ -0,0 +1,364 @@
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/*
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* Copyright (c) 2020 iXsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/eventhandler.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/mutex.h>
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#include <sys/errno.h>
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#include <sys/uio.h>
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#include <sys/cmn_err.h>
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#include <sys/stat.h>
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#include <sys/zfs_ioctl_compat.h>
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enum zfs_ioc_legacy {
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ZFS_IOC_LEGACY_NONE = -1,
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ZFS_IOC_LEGACY_FIRST = 0,
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ZFS_LEGACY_IOC = ZFS_IOC_LEGACY_FIRST,
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ZFS_IOC_LEGACY_POOL_CREATE = ZFS_IOC_LEGACY_FIRST,
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ZFS_IOC_LEGACY_POOL_DESTROY,
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ZFS_IOC_LEGACY_POOL_IMPORT,
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ZFS_IOC_LEGACY_POOL_EXPORT,
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ZFS_IOC_LEGACY_POOL_CONFIGS,
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ZFS_IOC_LEGACY_POOL_STATS,
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ZFS_IOC_LEGACY_POOL_TRYIMPORT,
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ZFS_IOC_LEGACY_POOL_SCAN,
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ZFS_IOC_LEGACY_POOL_FREEZE,
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ZFS_IOC_LEGACY_POOL_UPGRADE,
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ZFS_IOC_LEGACY_POOL_GET_HISTORY,
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ZFS_IOC_LEGACY_VDEV_ADD,
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ZFS_IOC_LEGACY_VDEV_REMOVE,
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ZFS_IOC_LEGACY_VDEV_SET_STATE,
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ZFS_IOC_LEGACY_VDEV_ATTACH,
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ZFS_IOC_LEGACY_VDEV_DETACH,
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ZFS_IOC_LEGACY_VDEV_SETPATH,
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ZFS_IOC_LEGACY_VDEV_SETFRU,
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ZFS_IOC_LEGACY_OBJSET_STATS,
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ZFS_IOC_LEGACY_OBJSET_ZPLPROPS,
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ZFS_IOC_LEGACY_DATASET_LIST_NEXT,
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ZFS_IOC_LEGACY_SNAPSHOT_LIST_NEXT,
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ZFS_IOC_LEGACY_SET_PROP,
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ZFS_IOC_LEGACY_CREATE,
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ZFS_IOC_LEGACY_DESTROY,
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ZFS_IOC_LEGACY_ROLLBACK,
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ZFS_IOC_LEGACY_RENAME,
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ZFS_IOC_LEGACY_RECV,
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ZFS_IOC_LEGACY_SEND,
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ZFS_IOC_LEGACY_INJECT_FAULT,
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ZFS_IOC_LEGACY_CLEAR_FAULT,
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ZFS_IOC_LEGACY_INJECT_LIST_NEXT,
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ZFS_IOC_LEGACY_ERROR_LOG,
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ZFS_IOC_LEGACY_CLEAR,
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ZFS_IOC_LEGACY_PROMOTE,
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ZFS_IOC_LEGACY_DESTROY_SNAPS,
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ZFS_IOC_LEGACY_SNAPSHOT,
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ZFS_IOC_LEGACY_DSOBJ_TO_DSNAME,
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ZFS_IOC_LEGACY_OBJ_TO_PATH,
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ZFS_IOC_LEGACY_POOL_SET_PROPS,
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ZFS_IOC_LEGACY_POOL_GET_PROPS,
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ZFS_IOC_LEGACY_SET_FSACL,
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ZFS_IOC_LEGACY_GET_FSACL,
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ZFS_IOC_LEGACY_SHARE,
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ZFS_IOC_LEGACY_INHERIT_PROP,
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ZFS_IOC_LEGACY_SMB_ACL,
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ZFS_IOC_LEGACY_USERSPACE_ONE,
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ZFS_IOC_LEGACY_USERSPACE_MANY,
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ZFS_IOC_LEGACY_USERSPACE_UPGRADE,
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ZFS_IOC_LEGACY_HOLD,
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ZFS_IOC_LEGACY_RELEASE,
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ZFS_IOC_LEGACY_GET_HOLDS,
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ZFS_IOC_LEGACY_OBJSET_RECVD_PROPS,
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ZFS_IOC_LEGACY_VDEV_SPLIT,
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ZFS_IOC_LEGACY_NEXT_OBJ,
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ZFS_IOC_LEGACY_DIFF,
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ZFS_IOC_LEGACY_TMP_SNAPSHOT,
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ZFS_IOC_LEGACY_OBJ_TO_STATS,
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ZFS_IOC_LEGACY_JAIL,
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ZFS_IOC_LEGACY_UNJAIL,
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ZFS_IOC_LEGACY_POOL_REGUID,
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ZFS_IOC_LEGACY_SPACE_WRITTEN,
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ZFS_IOC_LEGACY_SPACE_SNAPS,
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ZFS_IOC_LEGACY_SEND_PROGRESS,
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ZFS_IOC_LEGACY_POOL_REOPEN,
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ZFS_IOC_LEGACY_LOG_HISTORY,
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ZFS_IOC_LEGACY_SEND_NEW,
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ZFS_IOC_LEGACY_SEND_SPACE,
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ZFS_IOC_LEGACY_CLONE,
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ZFS_IOC_LEGACY_BOOKMARK,
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ZFS_IOC_LEGACY_GET_BOOKMARKS,
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ZFS_IOC_LEGACY_DESTROY_BOOKMARKS,
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ZFS_IOC_LEGACY_NEXTBOOT,
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ZFS_IOC_LEGACY_CHANNEL_PROGRAM,
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ZFS_IOC_LEGACY_REMAP,
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ZFS_IOC_LEGACY_POOL_CHECKPOINT,
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ZFS_IOC_LEGACY_POOL_DISCARD_CHECKPOINT,
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ZFS_IOC_LEGACY_POOL_INITIALIZE,
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ZFS_IOC_LEGACY_POOL_SYNC,
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ZFS_IOC_LEGACY_LAST
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};
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unsigned static long zfs_ioctl_legacy_to_ozfs_[] = {
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ZFS_IOC_POOL_CREATE, /* 0x00 */
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ZFS_IOC_POOL_DESTROY, /* 0x01 */
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ZFS_IOC_POOL_IMPORT, /* 0x02 */
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ZFS_IOC_POOL_EXPORT, /* 0x03 */
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ZFS_IOC_POOL_CONFIGS, /* 0x04 */
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ZFS_IOC_POOL_STATS, /* 0x05 */
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ZFS_IOC_POOL_TRYIMPORT, /* 0x06 */
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ZFS_IOC_POOL_SCAN, /* 0x07 */
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ZFS_IOC_POOL_FREEZE, /* 0x08 */
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ZFS_IOC_POOL_UPGRADE, /* 0x09 */
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ZFS_IOC_POOL_GET_HISTORY, /* 0x0a */
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ZFS_IOC_VDEV_ADD, /* 0x0b */
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ZFS_IOC_VDEV_REMOVE, /* 0x0c */
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ZFS_IOC_VDEV_SET_STATE, /* 0x0d */
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ZFS_IOC_VDEV_ATTACH, /* 0x0e */
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ZFS_IOC_VDEV_DETACH, /* 0x0f */
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ZFS_IOC_VDEV_SETPATH, /* 0x10 */
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ZFS_IOC_VDEV_SETFRU, /* 0x11 */
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ZFS_IOC_OBJSET_STATS, /* 0x12 */
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ZFS_IOC_OBJSET_ZPLPROPS, /* 0x13 */
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ZFS_IOC_DATASET_LIST_NEXT, /* 0x14 */
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ZFS_IOC_SNAPSHOT_LIST_NEXT, /* 0x15 */
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ZFS_IOC_SET_PROP, /* 0x16 */
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ZFS_IOC_CREATE, /* 0x17 */
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ZFS_IOC_DESTROY, /* 0x18 */
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ZFS_IOC_ROLLBACK, /* 0x19 */
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ZFS_IOC_RENAME, /* 0x1a */
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ZFS_IOC_RECV, /* 0x1b */
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ZFS_IOC_SEND, /* 0x1c */
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ZFS_IOC_INJECT_FAULT, /* 0x1d */
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ZFS_IOC_CLEAR_FAULT, /* 0x1e */
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ZFS_IOC_INJECT_LIST_NEXT, /* 0x1f */
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ZFS_IOC_ERROR_LOG, /* 0x20 */
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ZFS_IOC_CLEAR, /* 0x21 */
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ZFS_IOC_PROMOTE, /* 0x22 */
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/* start of mismatch */
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ZFS_IOC_DESTROY_SNAPS, /* 0x23:0x3b */
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ZFS_IOC_SNAPSHOT, /* 0x24:0x23 */
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ZFS_IOC_DSOBJ_TO_DSNAME, /* 0x25:0x24 */
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ZFS_IOC_OBJ_TO_PATH, /* 0x26:0x25 */
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ZFS_IOC_POOL_SET_PROPS, /* 0x27:0x26 */
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ZFS_IOC_POOL_GET_PROPS, /* 0x28:0x27 */
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ZFS_IOC_SET_FSACL, /* 0x29:0x28 */
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ZFS_IOC_GET_FSACL, /* 0x30:0x29 */
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ZFS_IOC_SHARE, /* 0x2b:0x2a */
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ZFS_IOC_INHERIT_PROP, /* 0x2c:0x2b */
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ZFS_IOC_SMB_ACL, /* 0x2d:0x2c */
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ZFS_IOC_USERSPACE_ONE, /* 0x2e:0x2d */
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ZFS_IOC_USERSPACE_MANY, /* 0x2f:0x2e */
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ZFS_IOC_USERSPACE_UPGRADE, /* 0x30:0x2f */
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ZFS_IOC_HOLD, /* 0x31:0x30 */
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ZFS_IOC_RELEASE, /* 0x32:0x31 */
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ZFS_IOC_GET_HOLDS, /* 0x33:0x32 */
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ZFS_IOC_OBJSET_RECVD_PROPS, /* 0x34:0x33 */
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ZFS_IOC_VDEV_SPLIT, /* 0x35:0x34 */
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ZFS_IOC_NEXT_OBJ, /* 0x36:0x35 */
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ZFS_IOC_DIFF, /* 0x37:0x36 */
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ZFS_IOC_TMP_SNAPSHOT, /* 0x38:0x37 */
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ZFS_IOC_OBJ_TO_STATS, /* 0x39:0x38 */
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ZFS_IOC_JAIL, /* 0x3a:0xc2 */
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ZFS_IOC_UNJAIL, /* 0x3b:0xc3 */
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ZFS_IOC_POOL_REGUID, /* 0x3c:0x3c */
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ZFS_IOC_SPACE_WRITTEN, /* 0x3d:0x39 */
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ZFS_IOC_SPACE_SNAPS, /* 0x3e:0x3a */
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ZFS_IOC_SEND_PROGRESS, /* 0x3f:0x3e */
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ZFS_IOC_POOL_REOPEN, /* 0x40:0x3d */
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ZFS_IOC_LOG_HISTORY, /* 0x41:0x3f */
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ZFS_IOC_SEND_NEW, /* 0x42:0x40 */
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ZFS_IOC_SEND_SPACE, /* 0x43:0x41 */
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ZFS_IOC_CLONE, /* 0x44:0x42 */
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ZFS_IOC_BOOKMARK, /* 0x45:0x43 */
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ZFS_IOC_GET_BOOKMARKS, /* 0x46:0x44 */
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ZFS_IOC_DESTROY_BOOKMARKS, /* 0x47:0x45 */
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ZFS_IOC_NEXTBOOT, /* 0x48:0xc1 */
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ZFS_IOC_CHANNEL_PROGRAM, /* 0x49:0x48 */
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ZFS_IOC_REMAP, /* 0x4a:0x4c */
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ZFS_IOC_POOL_CHECKPOINT, /* 0x4b:0x4d */
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ZFS_IOC_POOL_DISCARD_CHECKPOINT, /* 0x4c:0x4e */
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ZFS_IOC_POOL_INITIALIZE, /* 0x4d:0x4f */
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};
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unsigned static long zfs_ioctl_ozfs_to_legacy_common_[] = {
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ZFS_IOC_POOL_CREATE, /* 0x00 */
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ZFS_IOC_POOL_DESTROY, /* 0x01 */
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ZFS_IOC_POOL_IMPORT, /* 0x02 */
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ZFS_IOC_POOL_EXPORT, /* 0x03 */
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ZFS_IOC_POOL_CONFIGS, /* 0x04 */
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ZFS_IOC_POOL_STATS, /* 0x05 */
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ZFS_IOC_POOL_TRYIMPORT, /* 0x06 */
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ZFS_IOC_POOL_SCAN, /* 0x07 */
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ZFS_IOC_POOL_FREEZE, /* 0x08 */
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ZFS_IOC_POOL_UPGRADE, /* 0x09 */
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ZFS_IOC_POOL_GET_HISTORY, /* 0x0a */
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ZFS_IOC_VDEV_ADD, /* 0x0b */
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ZFS_IOC_VDEV_REMOVE, /* 0x0c */
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ZFS_IOC_VDEV_SET_STATE, /* 0x0d */
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ZFS_IOC_VDEV_ATTACH, /* 0x0e */
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ZFS_IOC_VDEV_DETACH, /* 0x0f */
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ZFS_IOC_VDEV_SETPATH, /* 0x10 */
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ZFS_IOC_VDEV_SETFRU, /* 0x11 */
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ZFS_IOC_OBJSET_STATS, /* 0x12 */
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ZFS_IOC_OBJSET_ZPLPROPS, /* 0x13 */
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ZFS_IOC_DATASET_LIST_NEXT, /* 0x14 */
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ZFS_IOC_SNAPSHOT_LIST_NEXT, /* 0x15 */
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ZFS_IOC_SET_PROP, /* 0x16 */
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ZFS_IOC_CREATE, /* 0x17 */
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ZFS_IOC_DESTROY, /* 0x18 */
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ZFS_IOC_ROLLBACK, /* 0x19 */
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ZFS_IOC_RENAME, /* 0x1a */
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ZFS_IOC_RECV, /* 0x1b */
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ZFS_IOC_SEND, /* 0x1c */
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ZFS_IOC_INJECT_FAULT, /* 0x1d */
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ZFS_IOC_CLEAR_FAULT, /* 0x1e */
|
||||
ZFS_IOC_INJECT_LIST_NEXT, /* 0x1f */
|
||||
ZFS_IOC_ERROR_LOG, /* 0x20 */
|
||||
ZFS_IOC_CLEAR, /* 0x21 */
|
||||
ZFS_IOC_PROMOTE, /* 0x22 */
|
||||
/* start of mismatch */
|
||||
ZFS_IOC_LEGACY_SNAPSHOT, /* 0x23 */
|
||||
ZFS_IOC_LEGACY_DSOBJ_TO_DSNAME, /* 0x24 */
|
||||
ZFS_IOC_LEGACY_OBJ_TO_PATH, /* 0x25 */
|
||||
ZFS_IOC_LEGACY_POOL_SET_PROPS, /* 0x26 */
|
||||
ZFS_IOC_LEGACY_POOL_GET_PROPS, /* 0x27 */
|
||||
ZFS_IOC_LEGACY_SET_FSACL, /* 0x28 */
|
||||
ZFS_IOC_LEGACY_GET_FSACL, /* 0x29 */
|
||||
ZFS_IOC_LEGACY_SHARE, /* 0x2a */
|
||||
ZFS_IOC_LEGACY_INHERIT_PROP, /* 0x2b */
|
||||
ZFS_IOC_LEGACY_SMB_ACL, /* 0x2c */
|
||||
ZFS_IOC_LEGACY_USERSPACE_ONE, /* 0x2d */
|
||||
ZFS_IOC_LEGACY_USERSPACE_MANY, /* 0x2e */
|
||||
ZFS_IOC_LEGACY_USERSPACE_UPGRADE, /* 0x2f */
|
||||
ZFS_IOC_LEGACY_HOLD, /* 0x30 */
|
||||
ZFS_IOC_LEGACY_RELEASE, /* 0x31 */
|
||||
ZFS_IOC_LEGACY_GET_HOLDS, /* 0x32 */
|
||||
ZFS_IOC_LEGACY_OBJSET_RECVD_PROPS, /* 0x33 */
|
||||
ZFS_IOC_LEGACY_VDEV_SPLIT, /* 0x34 */
|
||||
ZFS_IOC_LEGACY_NEXT_OBJ, /* 0x35 */
|
||||
ZFS_IOC_LEGACY_DIFF, /* 0x36 */
|
||||
ZFS_IOC_LEGACY_TMP_SNAPSHOT, /* 0x37 */
|
||||
ZFS_IOC_LEGACY_OBJ_TO_STATS, /* 0x38 */
|
||||
ZFS_IOC_LEGACY_SPACE_WRITTEN, /* 0x39 */
|
||||
ZFS_IOC_LEGACY_SPACE_SNAPS, /* 0x3a */
|
||||
ZFS_IOC_LEGACY_DESTROY_SNAPS, /* 0x3b */
|
||||
ZFS_IOC_LEGACY_POOL_REGUID, /* 0x3c */
|
||||
ZFS_IOC_LEGACY_POOL_REOPEN, /* 0x3d */
|
||||
ZFS_IOC_LEGACY_SEND_PROGRESS, /* 0x3e */
|
||||
ZFS_IOC_LEGACY_LOG_HISTORY, /* 0x3f */
|
||||
ZFS_IOC_LEGACY_SEND_NEW, /* 0x40 */
|
||||
ZFS_IOC_LEGACY_SEND_SPACE, /* 0x41 */
|
||||
ZFS_IOC_LEGACY_CLONE, /* 0x42 */
|
||||
ZFS_IOC_LEGACY_BOOKMARK, /* 0x43 */
|
||||
ZFS_IOC_LEGACY_GET_BOOKMARKS, /* 0x44 */
|
||||
ZFS_IOC_LEGACY_DESTROY_BOOKMARKS, /* 0x45 */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_RECV_NEW */
|
||||
ZFS_IOC_LEGACY_POOL_SYNC, /* 0x47 */
|
||||
ZFS_IOC_LEGACY_CHANNEL_PROGRAM, /* 0x48 */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_LOAD_KEY */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_UNLOAD_KEY */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_CHANGE_KEY */
|
||||
ZFS_IOC_LEGACY_REMAP, /* 0x4c */
|
||||
ZFS_IOC_LEGACY_POOL_CHECKPOINT, /* 0x4d */
|
||||
ZFS_IOC_LEGACY_POOL_DISCARD_CHECKPOINT, /* 0x4e */
|
||||
ZFS_IOC_LEGACY_POOL_INITIALIZE, /* 0x4f */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_POOL_TRIM */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_REDACT */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_GET_BOOKMARK_PROPS */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_WAIT */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_WAIT_FS */
|
||||
};
|
||||
|
||||
unsigned static long zfs_ioctl_ozfs_to_legacy_platform_[] = {
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_EVENTS_NEXT */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_EVENTS_CLEAR */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_EVENTS_SEEK */
|
||||
ZFS_IOC_LEGACY_NEXTBOOT,
|
||||
ZFS_IOC_LEGACY_JAIL,
|
||||
ZFS_IOC_LEGACY_UNJAIL,
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_SET_BOOTENV */
|
||||
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_GET_BOOTENV */
|
||||
};
|
||||
|
||||
int
|
||||
zfs_ioctl_legacy_to_ozfs(int request)
|
||||
{
|
||||
if (request >= sizeof (zfs_ioctl_legacy_to_ozfs_)/sizeof (long))
|
||||
return (-1);
|
||||
return (zfs_ioctl_legacy_to_ozfs_[request]);
|
||||
}
|
||||
|
||||
int
|
||||
zfs_ioctl_ozfs_to_legacy(int request)
|
||||
{
|
||||
if (request > ZFS_IOC_LAST)
|
||||
return (-1);
|
||||
|
||||
if (request > ZFS_IOC_PLATFORM)
|
||||
return (zfs_ioctl_ozfs_to_legacy_platform_[request]);
|
||||
if (request >= sizeof (zfs_ioctl_ozfs_to_legacy_common_)/sizeof (long))
|
||||
return (-1);
|
||||
return (zfs_ioctl_ozfs_to_legacy_common_[request]);
|
||||
}
|
||||
|
||||
void
|
||||
zfs_cmd_legacy_to_ozfs(zfs_cmd_legacy_t *src, zfs_cmd_t *dst)
|
||||
{
|
||||
memcpy(dst, src, offsetof(zfs_cmd_t, zc_objset_stats));
|
||||
*&dst->zc_objset_stats = *&src->zc_objset_stats;
|
||||
memcpy(&dst->zc_begin_record, &src->zc_begin_record,
|
||||
offsetof(zfs_cmd_t, zc_sendobj) -
|
||||
offsetof(zfs_cmd_t, zc_begin_record));
|
||||
memcpy(&dst->zc_sendobj, &src->zc_sendobj,
|
||||
sizeof (zfs_cmd_t) - 8 - offsetof(zfs_cmd_t, zc_sendobj));
|
||||
dst->zc_zoneid = src->zc_jailid;
|
||||
}
|
||||
|
||||
void
|
||||
zfs_cmd_ozfs_to_legacy(zfs_cmd_t *src, zfs_cmd_legacy_t *dst)
|
||||
{
|
||||
memcpy(dst, src, offsetof(zfs_cmd_t, zc_objset_stats));
|
||||
*&dst->zc_objset_stats = *&src->zc_objset_stats;
|
||||
*&dst->zc_begin_record.drr_u.drr_begin = *&src->zc_begin_record;
|
||||
dst->zc_begin_record.drr_payloadlen = 0;
|
||||
dst->zc_begin_record.drr_type = 0;
|
||||
|
||||
memcpy(&dst->zc_inject_record, &src->zc_inject_record,
|
||||
offsetof(zfs_cmd_t, zc_sendobj) -
|
||||
offsetof(zfs_cmd_t, zc_inject_record));
|
||||
dst->zc_resumable = B_FALSE;
|
||||
memcpy(&dst->zc_sendobj, &src->zc_sendobj,
|
||||
sizeof (zfs_cmd_t) - 8 - offsetof(zfs_cmd_t, zc_sendobj));
|
||||
dst->zc_jailid = src->zc_zoneid;
|
||||
}
|
||||
Reference in New Issue
Block a user